<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 200px;
            height: 200px;
            background-color: rgb(155, 233, 119);
            /* border-top-right-radius:100px;
            border-bottom-right-radius:100px; */
            border-radius: 50%;
            border: 1px solid red;
            outline: 1px solid green;
        }
        .b2{
            width: 200px;
            height: 200px;
            background-color: rgb(235, 125, 125);
            /* border-top-left-radius: 150px ;
            border-top-right-radius: 50px ;
            border-bottom-left-radius: 50px ;
            border-bottom-right-radius: 150px ; */
            border-radius: 150px 50px;
        }
        input.br{
            width: 200px;
            height: 50px;
            /* border: none; */
            border: 1px solid black;
            outline: none;
            border-radius: 20px;
            padding: 0 10px;
            font-size: 20px;
        }

    </style>
</head>

<body>
    <div class="box"></div>
    <div class="b2"></div>
    <input type="text" class="br">
</body>

</html>